[Qgis-user] Identify Features (vector) blocks ui when selecting feature
Giovanni Manghi
giovanni.manghi at gmail.com
Fri Dec 9 08:25:45 PST 2011
Hi Etienne,
I also noticed it, but it seems difficult to find a pattern.
When I had the problem it didn't matter if it was PostGIS or shapefiles.
cheers
-- Giovanni --
On Fri, 2011-12-09 at 13:08 -0200, Etienne Tourigny wrote:
> Hi All,
>
> I am having consistent problems with the Identify Features when using
> a large a vector layer. Using a large shapefile dataset, if I click
> on a feature that has a large span and many intersections (for example
> a single feature that spans many rivers in the Amazon), the UI is
> unresponsive (but the QGis process is working intensively) and I have
> to kill QGis after many minutes of waiting. I have also noticed this
> in other large shapefile datasets.
>
> Is there a way to stop the query/lookup in a graceful manner, like you
> would using the "Stop Map rendering" button?
>
> Do other users have this problem? Would I get better performance
> using a spatial index or importing the data into PostGIS?
>
> thanks,
> Etienne
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